CAIE IGCSE Physics 3.1 General Properties of Waves Topic Practice

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Covered syllabus points

3.1.1—Waves transfer energy without3.1.2—What is meant by wave motion as3.1.3—Features of a wave in terms of3.1.4—Recall/use: for wave speed v = f λ3.1.5—For a transverse wave, the direction3.1.6—For a longitudinal wave, the direction3.1.7—Waves can undergo: (a) reflection at a3.1.8—Use of a ripple tank to show: (a)3.1.9—Wavelength and gap size affects3.1.10—Wavelength affects diffraction at an

Question 1

[Maximum number: 1]

Which statement about waves is correct?

A

Waves do not transfer either energy or matter.

B

Waves transfer both energy and matter.

C

Waves transfer energy without transferring matter.

D

Waves transfer matter without transferring energy.

Question 2

[Maximum number: 1]

What is the name of the distance from one crest in a transverse wave to the next crest?

A

amplitude

B

period

C

wavefront

D

wavelength

Question 3

[Maximum number: 1]

The table shows information about different colours of light.

colour<br>of lightfrequency /Hz/ \mathrm{Hz}
violet7.2×10147.2 \times 10^{14}
blue6.3×10146.3 \times 10^{14}
yellow5.2×10145.2 \times 10^{14}
red4.5×10144.5 \times 10^{14}

Using the data, what is the frequency of orange light?

A

4.0×1014 Hz4.0 \times 10^{14} \mathrm{~Hz}

B

5.0×1014 Hz5.0 \times 10^{14} \mathrm{~Hz}

C

6.0×1014 Hz6.0 \times 10^{14} \mathrm{~Hz}

D

7.0×1014 Hz7.0 \times 10^{14} \mathrm{~Hz}

Question 4

[Maximum number: 1]

Fig. 5.1 represents a seismic wave produced by an earthquake.

Fig. 5.1

Fig. 5.1

State whether this seismic wave is a P -wave (primary) or an S -wave (secondary). Justify your choice.

Question 5

[Maximum number: 2]

Describe how a longitudinal wave differs from a transverse wave.

Question 6

[Maximum number: 1]

Waves on the surface of water travel from deep water to shallow water.
Which diagram shows the correct path of the waves in the shallow water?

A
Figure for Question 6 — CAIE IGCSE Physics — Option A
B
Figure for Question 6 — CAIE IGCSE Physics — Option B
C
Figure for Question 6 — CAIE IGCSE Physics — Option C
D
Figure for Question 6 — CAIE IGCSE Physics — Option D

Question 7

[Maximum number: 5]

Question (a)

(a)

Fig. 6.1 shows crests of a plane water wave approaching a barrier with a gap.

Fig. 6.1

Fig. 6.1

On Fig. 6.1, draw three crests of the water wave to the right of the barrier.

[ 2 ]

Question (b)

(b)

Fig. 6.2 shows crests of a plane water wave in deep water approaching a region of shallow water.

Fig. 6.2

Fig. 6.2

The water wave moves more slowly in shallow water.
On Fig. 6.2, draw:
1. three crests of the water wave in the shallow water
2. the direction of travel of the wave in the shallow water.

[ 3 ]

Question 8

[Maximum number: 2]

Fig. 5.1 shows successive crests of a wave after a plane wave has passed through a gap.

Fig. 5.1

Fig. 5.1

Fig. 5.2 shows a much wider gap. A plane wave of the same wavelength as in (b)(i) is incident on the gap from the left side of the barrier.

Fig. 5.2

Fig. 5.2

On Fig. 5.2, draw three successive crests of the wave after the wave has passed through the gap.
[Total: 85

Question 9

[Maximum number: 3]

The speed of sound in air is 340 m/s340 \mathrm{~m} / \mathrm{s}.

Fig. 6.1 shows a band in front of a building.

Fig. 6.1

Fig. 6.1

The drum produces a low frequency sound. Other musical instruments produce a high frequency sound. These sounds are equally loud.

A young man at the side of the building hears the drum but not the high frequency sounds from the other musical instruments.

Explain why this happens.

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